/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedSemanticLbeWithPredicates.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_get_pc8736x_gpio_set.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.repeated-lipton-8d0d62b [2022-12-06 04:49:18,190 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-06 04:49:18,192 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-06 04:49:18,245 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-06 04:49:18,245 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-06 04:49:18,248 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-06 04:49:18,251 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-06 04:49:18,255 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-06 04:49:18,260 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-06 04:49:18,261 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-06 04:49:18,261 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-06 04:49:18,262 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-06 04:49:18,263 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-06 04:49:18,263 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-06 04:49:18,264 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-06 04:49:18,265 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-06 04:49:18,266 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-06 04:49:18,267 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-06 04:49:18,268 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-06 04:49:18,269 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-06 04:49:18,270 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-06 04:49:18,276 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-06 04:49:18,277 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-06 04:49:18,278 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-06 04:49:18,280 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-06 04:49:18,281 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-06 04:49:18,281 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-06 04:49:18,282 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-06 04:49:18,282 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-06 04:49:18,283 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-06 04:49:18,283 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-06 04:49:18,284 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-06 04:49:18,284 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-06 04:49:18,285 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-06 04:49:18,286 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-06 04:49:18,286 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-06 04:49:18,287 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-06 04:49:18,287 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-06 04:49:18,287 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-06 04:49:18,288 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-06 04:49:18,288 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-06 04:49:18,293 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedSemanticLbeWithPredicates.epf [2022-12-06 04:49:18,328 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-06 04:49:18,328 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-06 04:49:18,330 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-06 04:49:18,330 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-06 04:49:18,330 INFO L138 SettingsManager]: * Use SBE=true [2022-12-06 04:49:18,331 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-06 04:49:18,331 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-06 04:49:18,332 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-06 04:49:18,332 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-06 04:49:18,332 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-06 04:49:18,333 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-06 04:49:18,333 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-06 04:49:18,333 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-06 04:49:18,333 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-06 04:49:18,333 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-06 04:49:18,333 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-06 04:49:18,333 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-06 04:49:18,334 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-06 04:49:18,334 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-06 04:49:18,334 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-12-06 04:49:18,334 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-06 04:49:18,334 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-06 04:49:18,334 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-06 04:49:18,334 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-06 04:49:18,335 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-06 04:49:18,335 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-06 04:49:18,335 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-06 04:49:18,335 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=REPEATED_LIPTON_PN [2022-12-06 04:49:18,335 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-12-06 04:49:18,640 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-06 04:49:18,660 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-06 04:49:18,663 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-06 04:49:18,664 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-06 04:49:18,664 INFO L275 PluginConnector]: CDTParser initialized [2022-12-06 04:49:18,665 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_get_pc8736x_gpio_set.i [2022-12-06 04:49:19,701 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-06 04:49:20,121 INFO L351 CDTParser]: Found 1 translation units. [2022-12-06 04:49:20,122 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_get_pc8736x_gpio_set.i [2022-12-06 04:49:20,172 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0fe4eece5/d23b681630714b0d8390d573584210ea/FLAG0a5d467a3 [2022-12-06 04:49:20,184 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0fe4eece5/d23b681630714b0d8390d573584210ea [2022-12-06 04:49:20,186 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-06 04:49:20,187 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-12-06 04:49:20,188 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-06 04:49:20,188 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-06 04:49:20,190 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-06 04:49:20,190 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:49:20" (1/1) ... [2022-12-06 04:49:20,191 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69c683d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:49:20, skipping insertion in model container [2022-12-06 04:49:20,191 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:49:20" (1/1) ... [2022-12-06 04:49:20,196 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-06 04:49:20,297 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-06 04:49:20,556 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_get_pc8736x_gpio_set.i[5469,5482] [2022-12-06 04:49:20,803 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:49:20,806 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:49:20,811 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:49:20,812 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:49:20,817 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:49:20,818 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:49:20,823 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:49:20,825 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:49:20,829 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:49:20,830 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:49:20,835 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:49:20,835 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:49:20,839 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:49:20,840 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:49:20,844 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:49:20,845 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:49:20,856 WARN L623 FunctionHandler]: Unknown extern function cpu_relax [2022-12-06 04:49:20,861 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-06 04:49:20,865 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-06 04:49:20,872 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-06 04:49:20,983 WARN L623 FunctionHandler]: Unknown extern function set_normalized_timespec [2022-12-06 04:49:20,989 WARN L623 FunctionHandler]: Unknown extern function set_normalized_timespec [2022-12-06 04:49:21,139 WARN L623 FunctionHandler]: Unknown extern function __iter_div_u64_rem [2022-12-06 04:49:21,314 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:49:21,316 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:49:21,321 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:49:21,322 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:49:21,327 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:49:21,327 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:49:21,605 WARN L623 FunctionHandler]: Unknown extern function bit_spin_lock [2022-12-06 04:49:21,612 WARN L623 FunctionHandler]: Unknown extern function __bit_spin_unlock [2022-12-06 04:49:21,617 WARN L623 FunctionHandler]: Unknown extern function bit_spin_is_locked [2022-12-06 04:49:21,807 WARN L623 FunctionHandler]: Unknown extern function d_instantiate [2022-12-06 04:49:21,808 WARN L623 FunctionHandler]: Unknown extern function d_rehash [2022-12-06 04:49:21,811 WARN L623 FunctionHandler]: Unknown extern function d_instantiate_unique [2022-12-06 04:49:21,811 WARN L623 FunctionHandler]: Unknown extern function d_rehash [2022-12-06 04:49:22,105 WARN L623 FunctionHandler]: Unknown extern function timespec_trunc [2022-12-06 04:49:22,664 WARN L623 FunctionHandler]: Unknown extern function atomic_add_unless [2022-12-06 04:49:22,673 WARN L623 FunctionHandler]: Unknown extern function atomic_add_unless [2022-12-06 04:49:22,730 WARN L623 FunctionHandler]: Unknown extern function kobject_get [2022-12-06 04:49:22,734 WARN L623 FunctionHandler]: Unknown extern function kobject_put [2022-12-06 04:49:23,009 WARN L623 FunctionHandler]: Unknown extern function __tty_alloc_driver [2022-12-06 04:49:23,314 WARN L623 FunctionHandler]: Unknown extern function llist_add_batch [2022-12-06 04:49:23,321 WARN L623 FunctionHandler]: Unknown extern function __xchg_wrong_size [2022-12-06 04:49:23,618 WARN L623 FunctionHandler]: Unknown extern function tty_termios_baud_rate [2022-12-06 04:49:23,957 WARN L623 FunctionHandler]: Unknown extern function tty_unlock [2022-12-06 04:49:23,958 WARN L623 FunctionHandler]: Unknown extern function tty_wait_until_sent [2022-12-06 04:49:23,958 WARN L623 FunctionHandler]: Unknown extern function tty_lock [2022-12-06 04:49:25,253 WARN L611 FunctionHandler]: implicit declaration of function __builtin_constant_p [2022-12-06 04:49:25,254 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-06 04:49:25,256 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-06 04:49:25,260 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-06 04:49:25,263 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-06 04:49:25,615 WARN L1573 CHandler]: Possible shadowing of function iminor [2022-12-06 04:49:25,615 WARN L1573 CHandler]: Possible shadowing of function iminor [2022-12-06 04:49:25,634 WARN L623 FunctionHandler]: Unknown extern function platform_device_alloc [2022-12-06 04:49:25,634 WARN L623 FunctionHandler]: Unknown extern function platform_device_add [2022-12-06 04:49:25,635 WARN L623 FunctionHandler]: Unknown extern function __request_region [2022-12-06 04:49:25,636 WARN L623 FunctionHandler]: Unknown extern function __release_region [2022-12-06 04:49:25,637 WARN L623 FunctionHandler]: Unknown extern function platform_device_del [2022-12-06 04:49:25,637 WARN L623 FunctionHandler]: Unknown extern function platform_device_put [2022-12-06 04:49:25,639 WARN L623 FunctionHandler]: Unknown extern function __release_region [2022-12-06 04:49:25,639 WARN L623 FunctionHandler]: Unknown extern function platform_device_unregister [2022-12-06 04:49:25,655 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-06 04:49:25,666 INFO L203 MainTranslator]: Completed pre-run [2022-12-06 04:49:25,676 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_get_pc8736x_gpio_set.i[5469,5482] [2022-12-06 04:49:25,682 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:49:25,682 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:49:25,682 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:49:25,682 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:49:25,682 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:49:25,683 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:49:25,683 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:49:25,683 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:49:25,683 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:49:25,683 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:49:25,684 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:49:25,684 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:49:25,684 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:49:25,684 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:49:25,684 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:49:25,684 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:49:25,685 WARN L623 FunctionHandler]: Unknown extern function cpu_relax [2022-12-06 04:49:25,685 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-06 04:49:25,685 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-06 04:49:25,686 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-06 04:49:25,689 WARN L623 FunctionHandler]: Unknown extern function set_normalized_timespec [2022-12-06 04:49:25,689 WARN L623 FunctionHandler]: Unknown extern function set_normalized_timespec [2022-12-06 04:49:25,691 WARN L623 FunctionHandler]: Unknown extern function __iter_div_u64_rem [2022-12-06 04:49:25,699 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:49:25,699 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:49:25,700 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:49:25,700 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:49:25,700 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:49:25,700 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:49:25,709 WARN L623 FunctionHandler]: Unknown extern function bit_spin_lock [2022-12-06 04:49:25,710 WARN L623 FunctionHandler]: Unknown extern function __bit_spin_unlock [2022-12-06 04:49:25,710 WARN L623 FunctionHandler]: Unknown extern function bit_spin_is_locked [2022-12-06 04:49:25,713 WARN L623 FunctionHandler]: Unknown extern function d_instantiate [2022-12-06 04:49:25,713 WARN L623 FunctionHandler]: Unknown extern function d_rehash [2022-12-06 04:49:25,713 WARN L623 FunctionHandler]: Unknown extern function d_instantiate_unique [2022-12-06 04:49:25,714 WARN L623 FunctionHandler]: Unknown extern function d_rehash [2022-12-06 04:49:25,721 WARN L623 FunctionHandler]: Unknown extern function timespec_trunc [2022-12-06 04:49:25,733 WARN L623 FunctionHandler]: Unknown extern function atomic_add_unless [2022-12-06 04:49:25,734 WARN L623 FunctionHandler]: Unknown extern function atomic_add_unless [2022-12-06 04:49:25,736 WARN L623 FunctionHandler]: Unknown extern function kobject_get [2022-12-06 04:49:25,736 WARN L623 FunctionHandler]: Unknown extern function kobject_put [2022-12-06 04:49:25,742 WARN L623 FunctionHandler]: Unknown extern function __tty_alloc_driver [2022-12-06 04:49:25,745 WARN L623 FunctionHandler]: Unknown extern function llist_add_batch [2022-12-06 04:49:25,746 WARN L623 FunctionHandler]: Unknown extern function __xchg_wrong_size [2022-12-06 04:49:25,750 WARN L623 FunctionHandler]: Unknown extern function tty_termios_baud_rate [2022-12-06 04:49:25,754 WARN L623 FunctionHandler]: Unknown extern function tty_unlock [2022-12-06 04:49:25,754 WARN L623 FunctionHandler]: Unknown extern function tty_wait_until_sent [2022-12-06 04:49:25,754 WARN L623 FunctionHandler]: Unknown extern function tty_lock [2022-12-06 04:49:25,811 WARN L611 FunctionHandler]: implicit declaration of function __builtin_constant_p [2022-12-06 04:49:25,812 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-06 04:49:25,813 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-06 04:49:25,817 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-06 04:49:25,820 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-06 04:49:25,853 WARN L1573 CHandler]: Possible shadowing of function iminor [2022-12-06 04:49:25,853 WARN L1573 CHandler]: Possible shadowing of function iminor [2022-12-06 04:49:25,856 WARN L623 FunctionHandler]: Unknown extern function platform_device_alloc [2022-12-06 04:49:25,857 WARN L623 FunctionHandler]: Unknown extern function platform_device_add [2022-12-06 04:49:25,858 WARN L623 FunctionHandler]: Unknown extern function __request_region [2022-12-06 04:49:25,859 WARN L623 FunctionHandler]: Unknown extern function __release_region [2022-12-06 04:49:25,859 WARN L623 FunctionHandler]: Unknown extern function platform_device_del [2022-12-06 04:49:25,859 WARN L623 FunctionHandler]: Unknown extern function platform_device_put [2022-12-06 04:49:25,859 WARN L623 FunctionHandler]: Unknown extern function __release_region [2022-12-06 04:49:25,860 WARN L623 FunctionHandler]: Unknown extern function platform_device_unregister [2022-12-06 04:49:25,863 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-06 04:49:26,377 INFO L208 MainTranslator]: Completed translation [2022-12-06 04:49:26,377 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:49:26 WrapperNode [2022-12-06 04:49:26,377 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-06 04:49:26,378 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-06 04:49:26,378 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-06 04:49:26,378 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-06 04:49:26,382 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:49:26" (1/1) ... [2022-12-06 04:49:26,490 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:49:26" (1/1) ... [2022-12-06 04:49:26,545 INFO L138 Inliner]: procedures = 1394, calls = 1531, calls flagged for inlining = 392, calls inlined = 51, statements flattened = 721 [2022-12-06 04:49:26,545 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-06 04:49:26,546 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-06 04:49:26,546 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-06 04:49:26,546 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-06 04:49:26,553 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:49:26" (1/1) ... [2022-12-06 04:49:26,554 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:49:26" (1/1) ... [2022-12-06 04:49:26,557 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:49:26" (1/1) ... [2022-12-06 04:49:26,558 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:49:26" (1/1) ... [2022-12-06 04:49:26,579 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:49:26" (1/1) ... [2022-12-06 04:49:26,583 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:49:26" (1/1) ... [2022-12-06 04:49:26,587 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:49:26" (1/1) ... [2022-12-06 04:49:26,590 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:49:26" (1/1) ... [2022-12-06 04:49:26,596 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-06 04:49:26,597 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-06 04:49:26,597 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-06 04:49:26,597 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-06 04:49:26,597 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:49:26" (1/1) ... [2022-12-06 04:49:26,601 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-06 04:49:26,627 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-06 04:49:26,655 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-06 04:49:26,677 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-06 04:49:26,691 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-06 04:49:26,691 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-06 04:49:26,691 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-06 04:49:26,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-06 04:49:26,691 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-06 04:49:26,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-06 04:49:26,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-12-06 04:49:26,692 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_pc8736x_gpio_get [2022-12-06 04:49:26,692 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_pc8736x_gpio_get [2022-12-06 04:49:26,692 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-06 04:49:26,692 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-06 04:49:26,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-06 04:49:26,692 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-06 04:49:26,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-06 04:49:26,692 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_pc8736x_gpio_set [2022-12-06 04:49:26,692 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_pc8736x_gpio_set [2022-12-06 04:49:26,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-06 04:49:26,693 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2022-12-06 04:49:27,060 INFO L236 CfgBuilder]: Building ICFG [2022-12-06 04:49:27,062 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-06 04:49:27,768 INFO L277 CfgBuilder]: Performing block encoding [2022-12-06 04:49:27,778 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-06 04:49:27,778 INFO L302 CfgBuilder]: Removed 27 assume(true) statements. [2022-12-06 04:49:27,780 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:49:27 BoogieIcfgContainer [2022-12-06 04:49:27,780 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-06 04:49:27,782 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-06 04:49:27,782 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-06 04:49:27,784 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-06 04:49:27,785 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.12 04:49:20" (1/3) ... [2022-12-06 04:49:27,785 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52982abb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 04:49:27, skipping insertion in model container [2022-12-06 04:49:27,785 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:49:26" (2/3) ... [2022-12-06 04:49:27,785 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52982abb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 04:49:27, skipping insertion in model container [2022-12-06 04:49:27,785 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:49:27" (3/3) ... [2022-12-06 04:49:27,787 INFO L112 eAbstractionObserver]: Analyzing ICFG char_pc8736x_gpio_pc8736x_gpio_get_pc8736x_gpio_set.i [2022-12-06 04:49:27,803 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-06 04:49:27,803 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-12-06 04:49:27,803 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-06 04:49:27,885 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-12-06 04:49:27,912 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 736 places, 792 transitions, 1600 flow [2022-12-06 04:49:28,094 INFO L130 PetriNetUnfolder]: 63/790 cut-off events. [2022-12-06 04:49:28,094 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-12-06 04:49:28,102 INFO L83 FinitePrefix]: Finished finitePrefix Result has 799 conditions, 790 events. 63/790 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 1229 event pairs, 0 based on Foata normal form. 0/725 useless extension candidates. Maximal degree in co-relation 719. Up to 9 conditions per place. [2022-12-06 04:49:28,102 INFO L82 GeneralOperation]: Start removeDead. Operand has 736 places, 792 transitions, 1600 flow [2022-12-06 04:49:28,109 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 726 places, 782 transitions, 1573 flow [2022-12-06 04:49:28,110 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 04:49:28,121 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 726 places, 782 transitions, 1573 flow [2022-12-06 04:49:28,126 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 726 places, 782 transitions, 1573 flow [2022-12-06 04:49:28,227 INFO L130 PetriNetUnfolder]: 63/782 cut-off events. [2022-12-06 04:49:28,227 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-12-06 04:49:28,231 INFO L83 FinitePrefix]: Finished finitePrefix Result has 790 conditions, 782 events. 63/782 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 1155 event pairs, 0 based on Foata normal form. 0/717 useless extension candidates. Maximal degree in co-relation 719. Up to 9 conditions per place. [2022-12-06 04:49:28,243 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 726 places, 782 transitions, 1573 flow [2022-12-06 04:49:28,243 INFO L188 LiptonReduction]: Number of co-enabled transitions 17446 [2022-12-06 04:49:28,456 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:49:28,457 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 04:49:28,459 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:49:28,460 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 04:49:31,344 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:49:31,345 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 04:49:32,289 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:49:32,290 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 04:49:32,354 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:49:32,355 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 04:49:32,356 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:49:32,357 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 04:49:33,365 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:49:33,366 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 04:49:33,367 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:49:33,367 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 04:49:33,535 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:49:33,536 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2022-12-06 04:49:33,538 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:49:33,538 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 04:49:34,168 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:49:34,169 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 04:49:36,207 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:49:36,208 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 04:49:36,210 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:49:36,210 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 04:49:37,691 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:49:37,692 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 04:49:39,039 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:49:39,040 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 04:49:39,041 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:49:39,041 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 04:49:42,993 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:49:43,001 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 04:49:43,570 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:49:43,571 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 04:49:43,573 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:49:43,573 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 04:49:43,575 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:49:43,576 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 04:49:43,577 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:49:43,578 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 04:49:46,486 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:49:46,487 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 04:49:46,489 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:49:46,490 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 04:49:46,492 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:49:46,493 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 04:49:46,495 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:49:46,496 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 04:49:47,321 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:49:47,322 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 04:49:47,323 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:49:47,324 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 04:49:47,325 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:49:47,326 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 04:49:47,328 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:49:47,328 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 04:49:47,377 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:49:47,377 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2022-12-06 04:49:47,381 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:49:47,382 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2022-12-06 04:49:47,392 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:49:47,393 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2022-12-06 04:49:47,399 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:49:47,399 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 65 [2022-12-06 04:49:55,033 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:49:55,033 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 04:49:55,034 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:49:55,035 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 04:49:55,334 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:49:55,335 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 04:49:55,336 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:49:55,337 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 04:49:56,827 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:49:56,828 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 04:49:56,829 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:49:56,829 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 04:49:56,883 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:49:56,883 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 04:49:56,885 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:49:56,886 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 04:49:57,838 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:49:57,838 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 04:49:57,840 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:49:57,841 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 04:49:57,843 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:49:57,844 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 04:49:57,846 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:49:57,846 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 04:49:58,566 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:49:58,566 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 04:49:58,579 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:49:58,580 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 04:50:04,942 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:50:04,943 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 04:50:04,945 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:50:04,945 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 04:50:07,953 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:50:07,953 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 04:50:07,954 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:50:07,955 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 04:50:31,591 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:50:31,592 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2022-12-06 04:50:31,598 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:50:31,599 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2022-12-06 04:50:31,606 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:50:31,607 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2022-12-06 04:50:31,612 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:50:31,612 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 65 [2022-12-06 04:50:31,616 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:50:31,617 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 71 [2022-12-06 04:50:47,381 WARN L233 SmtUtils]: Spent 8.25s on a formula simplification that was a NOOP. DAG size: 454 (called from [L 287] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-06 04:50:56,210 WARN L233 SmtUtils]: Spent 8.83s on a formula simplification that was a NOOP. DAG size: 454 (called from [L 310] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-06 04:50:57,913 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:50:57,913 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2022-12-06 04:50:57,919 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:50:57,920 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2022-12-06 04:50:57,923 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:50:57,923 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2022-12-06 04:50:57,927 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:50:57,927 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2022-12-06 04:50:57,930 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:50:57,931 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2022-12-06 04:51:09,059 WARN L233 SmtUtils]: Spent 11.07s on a formula simplification that was a NOOP. DAG size: 471 (called from [L 287] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-06 04:51:20,446 WARN L233 SmtUtils]: Spent 11.39s on a formula simplification that was a NOOP. DAG size: 471 (called from [L 310] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-06 04:51:26,099 WARN L233 SmtUtils]: Spent 5.65s on a formula simplification that was a NOOP. DAG size: 471 (called from [L 287] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-06 04:51:32,200 WARN L233 SmtUtils]: Spent 6.10s on a formula simplification that was a NOOP. DAG size: 471 (called from [L 310] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-06 04:51:33,017 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:51:33,018 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 04:51:33,021 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:51:33,021 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 04:51:59,304 WARN L233 SmtUtils]: Spent 25.79s on a formula simplification that was a NOOP. DAG size: 509 (called from [L 287] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-06 04:52:16,534 WARN L233 SmtUtils]: Spent 17.23s on a formula simplification that was a NOOP. DAG size: 489 (called from [L 310] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-06 04:52:36,260 WARN L233 SmtUtils]: Spent 19.72s on a formula simplification that was a NOOP. DAG size: 509 (called from [L 287] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-06 04:52:46,666 WARN L233 SmtUtils]: Spent 10.40s on a formula simplification that was a NOOP. DAG size: 489 (called from [L 310] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-06 04:55:09,058 WARN L233 SmtUtils]: Spent 2.34m on a formula simplification. DAG size of input: 627 DAG size of output: 625 (called from [L 287] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-06 04:56:14,800 WARN L233 SmtUtils]: Spent 1.10m on a formula simplification that was a NOOP. DAG size: 581 (called from [L 310] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-06 04:59:01,241 WARN L233 SmtUtils]: Spent 2.77m on a formula simplification. DAG size of input: 627 DAG size of output: 625 (called from [L 287] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-06 05:00:22,839 WARN L233 SmtUtils]: Spent 1.36m on a formula simplification that was a NOOP. DAG size: 581 (called from [L 310] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-06 05:00:23,934 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 05:00:23,935 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 05:00:23,938 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 05:00:23,938 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 05:00:28,335 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 05:00:28,335 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 05:00:28,338 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 05:00:28,338 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 05:00:34,868 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 05:00:34,869 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 05:01:06,300 INFO L208 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2022-12-06 05:01:06,320 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 05:01:06,320 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 05:01:06,337 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 05:01:06,338 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 05:01:23,398 INFO L203 LiptonReduction]: Total number of compositions: 724 [2022-12-06 05:01:23,417 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-06 05:01:23,425 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=REPEATED_LIPTON_PN, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@1572b11c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, Conditionality=CONDITIONAL_DISJUNCTIVE, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-06 05:01:23,426 INFO L358 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2022-12-06 05:01:23,447 INFO L130 PetriNetUnfolder]: 7/14 cut-off events. [2022-12-06 05:01:23,447 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-06 05:01:23,448 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 05:01:23,448 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2022-12-06 05:01:23,451 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-06 05:01:23,456 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 05:01:23,457 INFO L85 PathProgramCache]: Analyzing trace with hash 2937990, now seen corresponding path program 1 times [2022-12-06 05:01:23,464 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 05:01:23,465 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [498022929] [2022-12-06 05:01:23,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 05:01:23,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 05:01:23,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 05:01:23,900 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 05:01:23,901 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 05:01:23,901 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [498022929] [2022-12-06 05:01:23,901 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [498022929] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 05:01:23,901 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 05:01:23,901 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-12-06 05:01:23,902 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [318342073] [2022-12-06 05:01:23,903 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 05:01:23,908 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-06 05:01:23,908 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 05:01:23,926 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-06 05:01:23,926 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-06 05:01:23,928 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 0 out of 61 [2022-12-06 05:01:23,929 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 45 places, 61 transitions, 131 flow. Second operand has 2 states, 1 states have (on average 3.0) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 05:01:23,929 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 05:01:23,929 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 0 of 61 [2022-12-06 05:01:23,930 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 05:01:24,248 INFO L130 PetriNetUnfolder]: 331/601 cut-off events. [2022-12-06 05:01:24,248 INFO L131 PetriNetUnfolder]: For 19/19 co-relation queries the response was YES. [2022-12-06 05:01:24,249 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1238 conditions, 601 events. 331/601 cut-off events. For 19/19 co-relation queries the response was YES. Maximal size of possible extension queue 44. Compared 2497 event pairs, 321 based on Foata normal form. 0/385 useless extension candidates. Maximal degree in co-relation 1082. Up to 602 conditions per place. [2022-12-06 05:01:24,251 INFO L137 encePairwiseOnDemand]: 47/61 looper letters, 44 selfloop transitions, 0 changer transitions 3/47 dead transitions. [2022-12-06 05:01:24,251 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 45 places, 47 transitions, 197 flow [2022-12-06 05:01:24,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-06 05:01:24,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2022-12-06 05:01:24,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 61 transitions. [2022-12-06 05:01:24,260 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.5 [2022-12-06 05:01:24,262 INFO L175 Difference]: Start difference. First operand has 45 places, 61 transitions, 131 flow. Second operand 2 states and 61 transitions. [2022-12-06 05:01:24,262 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 45 places, 47 transitions, 197 flow [2022-12-06 05:01:24,265 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 42 places, 47 transitions, 192 flow, removed 0 selfloop flow, removed 3 redundant places. [2022-12-06 05:01:24,267 INFO L231 Difference]: Finished difference. Result has 42 places, 44 transitions, 91 flow [2022-12-06 05:01:24,268 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=61, PETRI_DIFFERENCE_MINUEND_FLOW=98, PETRI_DIFFERENCE_MINUEND_PLACES=41, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=47, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=47, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=91, PETRI_PLACES=42, PETRI_TRANSITIONS=44} [2022-12-06 05:01:24,270 INFO L294 CegarLoopForPetriNet]: 45 programPoint places, -3 predicate places. [2022-12-06 05:01:24,270 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-06 05:01:24,271 INFO L89 Accepts]: Start accepts. Operand has 42 places, 44 transitions, 91 flow [2022-12-06 05:01:24,274 INFO L95 Accepts]: Finished accepts. [2022-12-06 05:01:24,274 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 05:01:24,275 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 42 places, 44 transitions, 91 flow [2022-12-06 05:01:24,280 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 38 places, 44 transitions, 91 flow [2022-12-06 05:01:24,297 INFO L130 PetriNetUnfolder]: 10/44 cut-off events. [2022-12-06 05:01:24,297 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-06 05:01:24,297 INFO L83 FinitePrefix]: Finished finitePrefix Result has 48 conditions, 44 events. 10/44 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 118 event pairs, 0 based on Foata normal form. 0/25 useless extension candidates. Maximal degree in co-relation 0. Up to 7 conditions per place. [2022-12-06 05:01:24,298 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 38 places, 44 transitions, 91 flow [2022-12-06 05:01:24,298 INFO L188 LiptonReduction]: Number of co-enabled transitions 218 [2022-12-06 05:01:24,489 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 05:01:24,490 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 05:01:32,720 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 05:01:32,720 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 05:01:32,723 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 05:01:32,724 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 05:01:36,353 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 05:01:36,354 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 05:01:36,374 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 05:01:36,375 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 05:01:36,397 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 05:01:36,398 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 05:01:36,400 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 05:01:36,401 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 05:01:36,415 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 05:01:36,416 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 05:01:36,419 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 05:01:36,419 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 05:01:40,667 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 05:01:40,668 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 05:01:40,670 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 05:01:40,671 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 05:01:44,540 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 05:01:44,541 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 05:01:44,544 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 05:01:44,545 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 05:01:45,810 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 05:01:45,811 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 05:01:45,814 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 05:01:45,815 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 05:01:50,721 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 05:01:50,722 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 05:01:50,724 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 05:01:50,725 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 05:01:53,752 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-06 05:01:53,753 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.IndexOutOfBoundsException: Index 9 out of bounds for length 9 at java.base/jdk.internal.util.Preconditions.outOfBounds(Preconditions.java:64) at java.base/jdk.internal.util.Preconditions.outOfBoundsCheckIndex(Preconditions.java:70) at java.base/jdk.internal.util.Preconditions.checkIndex(Preconditions.java:248) at java.base/java.util.Objects.checkIndex(Objects.java:372) at java.base/java.util.ArrayList.get(ArrayList.java:459) at de.uni_freiburg.informatik.ultimate.automata.petrinet.PetriNetRun.getTransition(PetriNetRun.java:125) at de.uni_freiburg.informatik.ultimate.automata.partialorder.ChoiceRule.adaptRun(ChoiceRule.java:163) at de.uni_freiburg.informatik.ultimate.automata.partialorder.ChoiceRule.applyInternal(ChoiceRule.java:115) at de.uni_freiburg.informatik.ultimate.automata.partialorder.ReductionRule.apply(ReductionRule.java:80) at de.uni_freiburg.informatik.ultimate.automata.partialorder.LiptonReduction.choiceRuleWrapper(LiptonReduction.java:239) at de.uni_freiburg.informatik.ultimate.automata.partialorder.LiptonReduction.performReduction(LiptonReduction.java:200) at de.uni_freiburg.informatik.ultimate.automata.partialorder.LiptonReduction.(LiptonReduction.java:143) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.petrinetlbe.PetriNetLargeBlockEncoding.(PetriNetLargeBlockEncoding.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.concurrency.CegarLoopForPetriNetWithRepeatedLiptonReduction.applyLargeBlockEncoding(CegarLoopForPetriNetWithRepeatedLiptonReduction.java:106) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.concurrency.CegarLoopForPetriNetWithRepeatedLiptonReduction.refineAbstraction(CegarLoopForPetriNetWithRepeatedLiptonReduction.java:97) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.refineAbstractionInternal(AbstractCegarLoop.java:487) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:438) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:366) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:415) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:302) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:225) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:173) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-12-06 05:01:53,755 INFO L158 Benchmark]: Toolchain (without parser) took 753568.36ms. Allocated memory was 224.4MB in the beginning and 509.6MB in the end (delta: 285.2MB). Free memory was 189.1MB in the beginning and 390.7MB in the end (delta: -201.6MB). Peak memory consumption was 366.5MB. Max. memory is 8.0GB. [2022-12-06 05:01:53,756 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 224.4MB. Free memory is still 201.2MB. There was no memory consumed. Max. memory is 8.0GB. [2022-12-06 05:01:53,756 INFO L158 Benchmark]: CACSL2BoogieTranslator took 6189.52ms. Allocated memory was 224.4MB in the beginning and 345.0MB in the end (delta: 120.6MB). Free memory was 189.1MB in the beginning and 206.5MB in the end (delta: -17.3MB). Peak memory consumption was 120.7MB. Max. memory is 8.0GB. [2022-12-06 05:01:53,756 INFO L158 Benchmark]: Boogie Procedure Inliner took 167.35ms. Allocated memory is still 345.0MB. Free memory was 206.5MB in the beginning and 195.0MB in the end (delta: 11.5MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2022-12-06 05:01:53,757 INFO L158 Benchmark]: Boogie Preprocessor took 50.60ms. Allocated memory is still 345.0MB. Free memory was 195.0MB in the beginning and 189.2MB in the end (delta: 5.8MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. [2022-12-06 05:01:53,763 INFO L158 Benchmark]: RCFGBuilder took 1183.39ms. Allocated memory is still 345.0MB. Free memory was 189.2MB in the beginning and 243.9MB in the end (delta: -54.7MB). Peak memory consumption was 31.8MB. Max. memory is 8.0GB. [2022-12-06 05:01:53,763 INFO L158 Benchmark]: TraceAbstraction took 745973.15ms. Allocated memory was 345.0MB in the beginning and 509.6MB in the end (delta: 164.6MB). Free memory was 243.4MB in the beginning and 390.7MB in the end (delta: -147.3MB). Peak memory consumption was 299.7MB. Max. memory is 8.0GB. [2022-12-06 05:01:53,764 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 224.4MB. Free memory is still 201.2MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 6189.52ms. Allocated memory was 224.4MB in the beginning and 345.0MB in the end (delta: 120.6MB). Free memory was 189.1MB in the beginning and 206.5MB in the end (delta: -17.3MB). Peak memory consumption was 120.7MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 167.35ms. Allocated memory is still 345.0MB. Free memory was 206.5MB in the beginning and 195.0MB in the end (delta: 11.5MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * Boogie Preprocessor took 50.60ms. Allocated memory is still 345.0MB. Free memory was 195.0MB in the beginning and 189.2MB in the end (delta: 5.8MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. * RCFGBuilder took 1183.39ms. Allocated memory is still 345.0MB. Free memory was 189.2MB in the beginning and 243.9MB in the end (delta: -54.7MB). Peak memory consumption was 31.8MB. Max. memory is 8.0GB. * TraceAbstraction took 745973.15ms. Allocated memory was 345.0MB in the beginning and 509.6MB in the end (delta: 164.6MB). Free memory was 243.4MB in the beginning and 390.7MB in the end (delta: -147.3MB). Peak memory consumption was 299.7MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 715.2s, 726 PlacesBefore, 45 PlacesAfterwards, 782 TransitionsBefore, 61 TransitionsAfterwards, 17446 CoEnabledTransitionPairs, 3 FixpointIterations, 0 TrivialSequentialCompositions, 2 ConcurrentSequentialCompositions, 534 TrivialYvCompositions, 156 ConcurrentYvCompositions, 32 ChoiceCompositions, 724 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 13331, independent: 13281, independent conditional: 13281, independent unconditional: 0, dependent: 46, dependent conditional: 46, dependent unconditional: 0, unknown: 4, unknown conditional: 4, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 13331, independent: 13281, independent conditional: 0, independent unconditional: 13281, dependent: 46, dependent conditional: 0, dependent unconditional: 46, unknown: 4, unknown conditional: 0, unknown unconditional: 4] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 13331, independent: 13281, independent conditional: 0, independent unconditional: 13281, dependent: 46, dependent conditional: 0, dependent unconditional: 46, unknown: 4, unknown conditional: 0, unknown unconditional: 4] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 13331, independent: 13281, independent conditional: 0, independent unconditional: 13281, dependent: 46, dependent conditional: 0, dependent unconditional: 46, unknown: 4, unknown conditional: 0, unknown unconditional: 4] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 11378, independent: 11346, independent conditional: 0, independent unconditional: 11346, dependent: 31, dependent conditional: 0, dependent unconditional: 31, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 11378, independent: 11346, independent conditional: 0, independent unconditional: 11346, dependent: 32, dependent conditional: 0, dependent unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 32, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 31, dependent conditional: 0, dependent unconditional: 31, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2252, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 115, dependent conditional: 0, dependent unconditional: 115, unknown: 2136, unknown conditional: 0, unknown unconditional: 2136] ], Cache Queries: [ total: 13331, independent: 1935, independent conditional: 0, independent unconditional: 1935, dependent: 15, dependent conditional: 0, dependent unconditional: 15, unknown: 11381, unknown conditional: 0, unknown unconditional: 11381] , Statistics on independence cache: Total cache size (in pairs): 26725, Positive cache size: 26694, Positive conditional cache size: 0, Positive unconditional cache size: 26694, Negative cache size: 31, Negative conditional cache size: 0, Negative unconditional cache size: 31, Unknown cache size: 1, Unknown conditional cache size: 0, Unknown unconditional cache size: 1, Eliminated conditions: 0, Maximal queried relation: -1 - ExceptionOrErrorResult: IndexOutOfBoundsException: Index 9 out of bounds for length 9 de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: IndexOutOfBoundsException: Index 9 out of bounds for length 9: java.base/jdk.internal.util.Preconditions.outOfBounds(Preconditions.java:64) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-12-06 05:01:53,836 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...